Epidemiology Test 2 Questions and
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Low Prevalence
Ans: Case-control studies are among the best observational designs to
study diseases of:
A. High prevalence
B. High validity
C. Low case fatality
D. Low prevalence
Cohort Studies
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Ans: Examples of descriptive epidemiologic studies do not usually include:
A. Cohort Studies
B. Counts
C. Case Series
D. Cross-sectional studies
They permit direct estimation of risk of disease in those exposed to
the suspected factor
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Ans: A major advantage of cohort studies over case-control studies with
respect to the role of a suspected factor in the etiology of a diseases is
that:
A. They take less time and are less costly
B. They can utilize a more representative population
C. It is easier to obtain controls who are not exposed to the suspected
factor
D. They permit direct estimation of risk of disease in those exposed to the
suspected factor
E. They can be done on a double-blind basis
Case-control study is to odds ratio